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8 1413041 Lo-z UNITED srat ss PATENT oFFIon.

- TEOMAS CARROLL, OF DAYTON, OHIO, ASSIGNOR TO THE NATIONAL CASH BEGIiiTEB- COMPANY, OF DAYTON; OHIO, A CORPORATION OF OHIO, (INCORPORATED IN 1908.)

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Specification of Letters Patent.

Patented Mar. 4., 1913.

Application filed April 9, 1910. Serial No. 554,393.

To all whom it may conogm o 7 Be it known, that I. Tnowms GAnnoLL, a

citizen of the United'St-ates, residing at' -()a.kwood, Davtorn-in the county of Montgomery and state-of Ohio, have invented munieated to drive shafts to effect their oscillation, which oscillation in turn is employed to actuate accounting devices. The registerinig'is accomplished upon the return strokes o the cash drawers, at which time spring POWB FalS stored for moving the drawers to open position upon succeeding operations. y i

It is among the objects of this invention to provide drawer connections with driving mechanism suitable for elfeeting rotation of drive shafts in contradistinctionto rocking or oscillating drive shafts so that the drawer connections may be applied to any cash register having rotating drive shafts, to provide a drawer operated cash register in which the-drawer moves to its open position at a predetermined velocity and in which registering is accomplished upon the out stroke of the drawer thereby insuring a uniform application of power at successive operations of the register.

Another object of the invention is to provide an autographic attachment with an ar-,'

rangement for printing amounts, classes of transactions and salc'smans identifying characters at the side of the autographic records together with a device controlling the autographie attachment whereby the printing mechanism and paper feeding device may be made inoperativeregardless of the classes of transactions which are re: corded, or inoperative when certain classes of transactions are recorded or certain modes employed of operating the machine.

Another object of the invention is to provide adjustable means for controlling the amount of, powerapplied to the driving mechanism of the machine upon its op oration; I

Another object of the invention is to pro- .vide an ink ribbon feeding device in .w ich changes ofdirection of feed is accomphished by an accounting device when the same arrives at a certainsetting, thus economizing somewhat in reversing mechanism as the accounting device also performs another function, and providing a simple and reliable means for reversing the direction of the ink ribbon.

\Vith' these and incidental objects in view, the invention consists in certain novel features of construction and combinations oi parts, the essential elements of which. are set forth in appended claims, and a pre ferred form of embodiment of which is hereinafter described with reference to the drawer omitted. Fig. 2 is a'right side elevation with the cabinet and right side frame omitted. Fig. 3 is a right side elevation of one of the banks of value keys. Fig. 4 is a right side elevation of the bank of transaction keys. keys. together with its supporting frame in see- Fig. 5 is a detail of one of the t-ion. Fig. 7 is a detail of a'modified form. .ofv key releasing device.

Fig. 8 is a detailv right side elevation partly broken away,'ofa ank of value keys and co-acting mechanism of the machine. Figs. 9 and 10 are details illustrating the manner in which a seg ment gear, which is shown in Fig. 8, is pivoted. Fig. 11 is a right side elevation of the base of aregistertogether with the cash drawer. whichprevents saggin of the cash drawer when in its outer position. Fig. 13 is a detail in right side elevation of part of the main driving mechanism. Fig. 14 is a detail in right side elevation of the drawer release mechanism. Fig, 15 is a top plan view of the driving mechanism.v Fig. 16 is a detail in plan of part of the driving mech- Fig. 17 is a detail in elevation of anism. one of a pairof bevel gears in the driving mechanism. Fig. 18 is a side elevation of.

Fig. 22 is a transverse vertical section of the no V Fig. 6 is a detail of onset the keys Fig. 12 is a plan view of'a device Laban feeding device.

ot the receiving roll. I elevation of the transaction counters. Figs. 13 and =14 are details of a transaction totalizer. Fig. 23 is a detail of part of the totalizer mechanism. Fig. 26 is a detail of another part of the totalizer mechanism. Fig. 27 is a detail of the tot-alizer driving mechanism. Fig. 28 is a detail of the total izer resetting mechanism. Fig. 29 is a detail 1n rightsideelevat-ion of one Unit of the mdicator setting mechanism. Fig. 30 1s a dctail of part of the indicator mechanism. Fig. 31 1s a front elevation of the printer and autographic attachment. Fig. 32 1s a right side elevation of the printing mechanism. Fig. 33 is a detail in right side, elevation of :1 controlling device for the printmechanism. Fig. 34 is a plan view of mechanism shown in Fig. 33. Fig. 35 a detail in right side elevation of an mk Fig. 36 is a detail ill rating part of the mechanism by which rect-ion of feed of the ink ribbon is reve; Fig. i7 is a detail of an actuating pew or the ink ribbon feeding device. Fig. a detail of an alining device for type carri Fig. 39 is a plan view of a receivin." ll for a strip of detail or autographic pa F ig. 0 is a detail in front elevation of a receiving roll. F117 41 is an end view 42 is a right side counter. Fig. .5 is a front elevation of a transaction counter and connections with 21 transaction key. Fig. 16 is a detail of one of a set of retaining pawls which co-act with counter actuating pawls. Fig. 47 isa detail of one of the counter co-acting pawls.

In order to carry out the objects above stated the machine is provided with several banks of value ke s, a bank of transaction keysand a bank 0 initial keys. Each bank controls a differential segment which is constructed to be latched in normal position by a key detent, and to be spring operated for its differential. setting. Each key carries a- The differential segments are normally held in zero position by a frame bar. and

this bar is held in position by a locking arm under the control of the detents for the transaction and initial banks of keys, and thus the machine cannot be c erated until a key. in each of these two ban s is actuated, though they may be actuated successivelyor simultaneously, and neither bank is locked ski-until a in the other bank is depressed.

The connections from the difl'erentialseg ments to the printer and to the indlcators will be described in detail but it may here be stated that they are similar in to those shown in a endin app icatio'n' filed by Thomas Carrol on une 10, 1909, Serial No. 501,235, and that a device similar to that shown herein for preventing or permitting the'feed of a record strip, is also described in said pending application.

Referring to the drawings, the general arrangement of the machine may be seen from Fig. 1 in which the numeral 1 indicates four banks of value keys; 2, a bank of transaction keys; 3.,a bank of clerks initial keys; 4, a totalizer; 5 and 6, two sets of value indicators; 7, a transaction indicator; 8, a clerks initial indicator; 9, a set of racks for actuating the indicators; 10, special transaction counters; and 11, a customer counter.

A printing device and autographic attach- .mentis located at the right of the register and is shown partly broken away in Fig. 1. F 1g. 31 illustrates the printer and autograpluc attachment in front elevation.

eneral The various units of mechanism of the register will be described in the following order; keyboard and differential mechanism, driving mechanism, main totalizer, indicator mechanism, printing mechanism and autographic attachment, and special transaction counters.

Keyboard and differential mccluzm'sm, All of the banks of value keys and the bank of initial keys are identical in structure. Fig. 3 illustrates one of these banks of keys. Each bank comprises a supporting frame 12 in which the keys are slidably mounted, a plurality of dogs 13 pivoted to the frame, and a key detent 14. The frames 12 are secured to the machine tie bars 15 and 16.

Each key carries a limiting pin 17 and a determining pin 18. The pins 17 limit the outward movement of the keys by engagement with the frame 12 and the pins 18 extend through'slots 19 in the dogs 13 and across the front edge 20 of the key detent 14 opposite slots 21 in the key detcnt. The slots 21 are suitably inclined so that when, a key is depressed its determining pin 18 Will pass into an adjacent slot 21 of the detent 14 while the latter is bein moved u wardly by the dog 13, cooperatingwith t e depressed key, engaging with a pin 34 pro-v jecting from the detent 14. Each slot 21 is so inclined that the walls thereof, by enga ing the key pin 18 of the depressed key, W1 1 hold said key in its operated position while the detent 14 is in its elevated position. Each of the detents-14 is slidably mounted upon the frame 12 .by pins 22, which project from theframe through slotsj 23 in the detent. A spring 24 is tensioned between a pin 25 on the detent and a pin 26 on the 'When a key is do ressed the rise of the key detent causes t m slots 21 thereof to'move out of co-acting relation with the remaining pins 18 and the front edge '21 of the detent then acts as a stop for retaining the key detentin its upper pos1- tion. The retaining arm is provided wrth a tongue 31-which extends into a groove 32 in ashaft 83 but the groove in thejshaft 33 broad enough to permit the above mentioned m movement of the retaining device 28 indepcndently of the shaft but at each operation of the machine and after the function of the depressed key is accom lished, the shaft 33 is oscillated far enoug1 to restore the re- 5 mining arm 28 to its initial position thereby permitting the key detent 14 to be restored to its lower position by action'of the spring '24. The restorin of the detent causes any depressed key to lie restored to'its outer or undepresscd position by pins 34 on the detent which extend across the upper edges of the dogs 13. As the detent lowers the pin 34 rocks the dog around its pivot to its original position and as the determining pin 18 of the respective key extends through an elon ated notch 19 in the dog, the depressed ey is returned to its outer position.

By reference to Figs. 3. and 4, it will be noted that the dogs 13 are mounted upon the frames 12 above the keys 'with which they cooperate and the weight of the 'dogs is to the rear of their pivoted points so that said dogs have a tendency due to gravity to rotate in a clockwise direction and thereby hold the keys in'their outer positions. By thus holding the unoperated keys in their outer positions all danger is removed of an unoperated key moving inwardly by gravity whenthe detent 14 is elevated by the operation of another key in the same bank. It will be seen that by this construction the dogs 13 which control the vdifierential movement of an operating element, as hereinafter described, also take the place of the individual key springs usuall employed so that a single spring 24 with t 'e'assistance of the dogs 13 answers for the" purpose of restorthe keys to their normal. position.

7 he shaft 33. is oscillated at the required timeby a box cam 36'which is carried by a main, drive shaft" 37 (Fig. 8), though the grooveisnot shown. It-iis connected by a pitman-38 and a lever 39nwhich is pivoted.

to the frame of the machine by a stud 40, to

in arm 41 fast on the shaft 33.

l i I 7 The constmetion of the retaining arm 28 is such that itmay be rocked rearwardly before the operation of the machine for the purpose of releasing a depressed key independently of the oscillation of the shaft 33. To this end a pair of arms 42 are loosely journaled on the shaft 33 and are connected together by a rod 43 which extends beneath the forwardly extending parts 44 of'the remining arms 28 and one of the arms 42 is provided with a handle 45. It this handle islifted upwardly before the driving" mechanism of the register is operated the rod 43 engages all the retaining arms 28 rocking the same away from the pins 27 of the key 'leteut, thereby permitting the detents to return to their initial positions. which causes the depressed keys also to return to their initial positions. Thus the operator may correctmistakes in depressing keys, as by the handle 45 all depressed keys are released. But if desired, keys may he released individually by providing the forwardly extending part 44 of each retaining arm 28 with a handle46 as indicated in the mod1fi cation shown in Fig. 7.

During actuation of the drivingmecha nism it is impossible to move any of the key detents 14 either for the purpose of releasing keys or depressing keys, as locking pawls 47 are then rocked iutoengagemcnt' with one or the other of a pair of notches 48 or 49 in the detents 14. The pawls 47 are actuated by'a spring 53 (Fig. 4), but latched and restored by a shaft 50 upon which all of the pzuvls 47 are rigidly mounted and which carries an arm 51 (Fig. 8) connected by a pitman 52 to a cam carried by the drive shaft 37. .The shaft 50 also carries an arm 54 (Fig. 8) provided with a shoulder 55 coacting with a gravity or spring operated latch 56 which is loosely journaled upon the shaft 33. When the pawls 47 rock into engagement, the latch 56 engages the arm 54* and retains the pawls in such position the required length of time. Before the p'itman 52 is actuated to restore the pawls 47 totheir original positions the latch 56 is restored to its initial position aswill behereafter described.

The spring 53 (Fig. 4') is prevented'from rocking the shaft 50 for the purpose-of carrying the pawls 47 into=engagement until one of the transaction keys -2 and an'initial key have been depresscd.- The keyjdet'ent 57 provided with n' shoulderaiti normally in engagement with the nose of afpawl .39 also harried fast on the shaft/510 aud' the initial key detent has a corresponding} shoulder.

(Fig. 4) of the bank oftransmztiorikeys is' keys be depressed before a. transaction and 66 through the yokes 68 normally urge the shaft 33 is slightly rotated in has 67 faston the shaft and yokes 68 which tents 57 are in their upper positions notches 60 in the detents come opposite the nose of the pawl 59 thereby permitting the shaft 50 to be rocked by the spring 53. As the rocking of the shaft 50 and its latching by latch 56 prevents further mani ulation of the keys, it is essential that t e correct value an initial key are depressed.

The function of the dogs 13 has not yet been stated. except the incidental function performed by these dogs in aiding the restorat-ion of the depressed keys to their initial position. The msin. purpose of the dogs is to regulate the extents of movement of differential segment gears 61 (Fig. 8) all of which mesh with pinions 620 fixed to gears 62 loosely journaled upon a shaft 63 and idly rotated upon the rearward movement of the segment gears 61. The segment gears are provided with a plurality 0 pins 64 coacting with the dogs 13. \Vhen a key is de- I pressed the respective dog 13 for such key' rocks upwardly bringing its shoulder 65 into the ath of movement of one or the pins 64 and tliereby serves as a stop to limit the rearward movement of. the segment gear. The pins 64 are located at varying distances from the shoulders 65 of the dogs 13 in such manner that if the uppermost key of a bank is depressed the segment gear for such bank will be permitted to me rearwardly only one unit of its nine units of movement. The keys of higher value in the bank permit the segment gear to move a greater number of units according to their value.

The gears 62 are operatively connected with various accounting devices of the register when the segment-gears 6l are at rest in their set positions, these devicesbeing'operated upon the return of the segments.

The segments 61 are moved rearwardly by springs 66 (Figs. 9 and 10) which are coiled around the shaft 33 and bear betweencolare loose upon the shaft and provided with shoulders 69 extending over yokes 70 integral with the segment gears 61. Thesprings segment gears 61 to rock rearwardly' and the segment gears 61 are returned by independent means as will bepointed out further on but the springs 66 are tensioned at another time than at the return of the segment gear 61,, for the pur ose of more equally distributing the load The shaft 33 is slightly rotated in the direction of move-. ment of the segment gears 61 vduri the return of; the segment gears, but slight y in advance of the segments andwhen the segment gears are in their home position, the an opposite direction to its original position thus ten the springs 66, and releasing the-deeys as previously described.

Zioning k 'after the.depression of an initial ,as a pivotand the method limits The at gear-s61 flare normally held in their home positions by the key detents extending into notches 287 in lugs carried y the segments 61 and by] rod 71 which extends across the rear egg: of shoulders .72 on the segment gears..- e

ins 236 are dise aged from the ant by the rise of en respective ts through the depression of keys. The rod 71 also extends across the rear 0 of a shoulder 73 on the :latch 56 and ho ds thia latch out of engaging position until the depression of an initial key so that keys may be released before the de ression of the initial released ey. The rod 71 is carried by a pair of arms 74 which are loosely pivoted upon the shaft 33 and the rod is held in its forward pssition as shown in Fig; 4, by a catch/75 which is rigid with t e shaft 50. This shit is slightly rotated, as before menti'onedfat; the depression of an ,initia l key and at this time carries the catch 75 away from an extension key, but are prevent from being 76 of one of the arms 74. this occurs, which includes the. rod 71 and the frame, arm 74, drops rearwardlywith the shaft 33 rod 71 strikes a hook shaped end 761 (Fi 14-). 'of a lever 77 which is pivoted to a ug 78 -of 'a tie bar 79. The lever 77 carries at its r qr end a drawer latch 80 and it is struck with suflicientforce the rod 71 to lift the drawer latch 80 out of latching engagement with 'a bracket 81. carriedrby a cash drawer 82.

Driving mecbanz'8m.The various registering devices of themachine are actuated by power so plied to the drive shaft 37 and another (i Shafts car all of the main opera ihg cams of the maizhine and drive the cams by mak ing one rotation at each operation of the machine. The shaft 37 receives movement from amain spring 83 and the cash drawer 82 and transmits movement to the shaft 84 through gears 85 and-86 (Fi'g'..32). -The shafts 37 and 84 are each caused to make one-half of a rotation during-the o ning moye nenltmtfi (tihe cashthdrawer and a remanning urmg' e clos' movement of the cash' drawer. Power i l ap lied to the machine by the closing of the cash drawer, at which time, while the shafts 87 and '84 are makingthe latter half of their rotation, the'spring 83 is tensioned for-service in the chine.

The majority of cash by means of rotative drawer operated cash usually actuated by osci cause of the ease in which the naci movement of the drawarazjnay transmitted to oscilla shaftaflat this latter the minimum! drawn-aora ale-driven 've shafts, but hhve been 11 tive' tingahajtabe.

rive shaft84 (Fig. 2 These" nib 

